NonStop NS-Series Operations Guide (H06.12+)

10 Disk Drives: Monitoring and Recovery
• “When to Use This Section” (page 121)
• “Overview of Disk Drives ” (page 121)
— “Internal SCSI Disk Drives” (page 122)
— “M8xxx Fibre Channel Disk Drives” (page 122)
— “Enterprise Storage System (ESS) Disks” (page 123)
• “Monitoring Disk Drives” (page 123)
— “Monitoring Disk Drives With OSM” (page 123)
— “Monitoring Disk Drives With SCF ” (page 124)
— “Monitoring the State of Disk Drives” (page 127)
— “Monitoring the Use of Space on a Disk Volume” (page 128)
— “Monitoring the Size of Database Files” (page 128)
— “Monitoring Disk Configuration and Performance” (page 129)
• “Identifying Disk Drive Problems” (page 129)
• “Recovery Operations for Disk Drives ” (page 130)
— “Recovery Operations for a Down Disk or Down Disk Path” (page 131)
— “Recovery Operations for a Nearly Full Database File” (page 132)
• “Related Reading” (page 133)
When to Use This Section
Use this section to monitor M8xxx Fibre Channel and internal SCSI disk drives, and to recover
from common disk problems.
Overview of Disk Drives
The Integrity NonStop NS-series server supports three types of disk drives:
• “Internal SCSI Disk Drives”
• “M8xxx Fibre Channel Disk Drives”
• “Enterprise Storage System (ESS) Disks”
When to Use This Section 121